virtualenv is a tool to create
isolated Python environments. This will let you put all of Zamboni’s
dependencies in a single directory rather than your global Python directory.
For ultimate convenience, we’ll also use virtualenvwrapper
which adds commands to your shell.

Since each shell setup is different, you can install everything you need
and configure your shell using the virtualenv-burrito. Type this:

Most of zamboni is already configured in mkt.settings.py, but there’s one thing
you’ll need to configure locally, the database. The easiest way to do that
is by setting an environment variable (see next section).

Optionally you can create a local settings file and place anything custom
into settings_local.py.

Any file that looks like settings_local* is for local use only; it will be
ignored by git.

Out of the box, zamboni should work without any need for settings changes.
Some settings are configurable from the environment. See the
marketplace docs for information on the environment variables and how
they affect zamboni.